Finding the Fourth Proportional to 42,194,643.02, 63,301,509.57 and 13,442,416.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,194,643.02 : 63,301,509.57 = 13,442,416.46 : x
2. Step 2: Convert to fraction form
   42,194,643.02/63,301,509.57 = 13,442,416.46/x
3. Step 3: Cross multiply
   42,194,643.02x = 63,301,509.57 × 13,442,416.46
4. Step 4: Simplify right side
   42,194,643.02x = 850,925,253,870,108
5. Step 5: Solve for x
   x = 850,925,253,870,108/42,194,643.02
6. Step 6: Final answer
   x = 20,166,665.55